Home / 86,102,488.35-129,154,208.22-21,406,293.50

Finding the Fourth Proportional to 86,102,488.35, 129,154,208.22 and 21,406,293.50

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Solution

The fourth proportional to 86,102,488.35, 129,154,208.22 and 21,406,293.50 is: 32,109,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,102,488.35 : 129,154,208.22 = 21,406,293.50 : x
  2. Step 2: Convert to fraction form
    86,102,488.35/129,154,208.22 = 21,406,293.50/x
  3. Step 3: Cross multiply
    86,102,488.35x = 129,154,208.22 × 21,406,293.50
  4. Step 4: Simplify right side
    86,102,488.35x = 2,764,712,887,271,661.50
  5. Step 5: Solve for x
    x = 2,764,712,887,271,661.50/86,102,488.35
  6. Step 6: Final answer
    x = 32,109,558.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.